Adaptec AHA-1740A Technical Reference Manual Manual pdf 149 page image
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Adaptec AHA-1740A Technical Reference Manual

Also see for AHA-1740A: User manualInstructions for installingInstallation guide

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Contents
  1. Table Of Contents
  2. Table Of Contents
  3. Table Of Contents
  4. Table Of Contents
  5. Table Of Contents
  6. Table Of Contents
  7. Document Scope
  8. AHA-1740A/1742A/1744 Product Features
  9. Board Features
  10. Configuration Diskette and Installation Guide (ASW-C174)
  11. Product Specifications
  12. SCSI Interface
  13. Electrical Interface for AHA-1744
  14. External Connector
  15. Floppy Disk Interface
  16. Hardware
  17. Bus Master DMA
  18. and 16-Bit Memory and Odd Byte Data Transfers
  19. EISA Configuration Chip (AIC-575)
  20. Standard Mode Firmware
  21. Command Control Block
  22. Command Descriptor Block
  23. Principles of Operation
  24. Enhanced Mode Firmware
  25. Onboard BIOS Operation
  26. ASW-C174 Configuration Diskette
  27. Unpacking and Inspection
  28. System Configuration Background for Standard Mode
  29. Termination
  30. SCSI Parity
  31. Checklist
  32. MCS Configuration
  33. Standard Mode SCSI Configuration
  34. Enhanced Mode SCSI Configuration
  35. Multiple Adapters Sharing Same SCSI Bus
  36. Phoenix Configuration
  37. ADL Operation
  38. Download Firmware (AHA-1740/1744 Only)
  39. Firmware Information (AHA-1740/1744/1740A/1742A)
  40. Hardware Overview
  41. I/O Port Interface Bit Definition
  42. Control and Status Port
  43. Command/Data Out and Data In Port
  44. Interrupt Flag Port
  45. Reset Functions
  46. SCSI Reset Operations
  47. SCSI Hard Reset Option
  48. Expansion Board ID Registers
  49. Board Configuration Registers
  50. I/O Port Register Standard Mode (Group 1)
  51. I/O Port Register Enhanced Mode (Group 2)
  52. Diskette Registers
  53. Diskette Controller Registers (Read/write 3F4 and 3F5)
  54. Digital Input Register (Read 3F7)
  55. Firmware Download (AHA-1740/1744 Only)
  56. Hardware Configuration Requirements
  57. BIOS Driver Needs
  58. Configuration Byte Description and Defaults
  59. Host Adapter Command Overview
  60. No Operation (Operation Code 00)
  61. Start SCSI Command (Operation Code 02)
  62. Enable Mailbox Out Available Interrupt (Operation Code 05)
  63. Set Selection Time out (Operation Code 06)
  64. Set Bus Off Time (Operation Code 08)
  65. Return Installed Devices (Operation Code 0A)
  66. Return Configuration Data (Operation Code 0B)
  67. Enable Target Mode Command (Operation Code 0C)
  68. Return Setup Data (Operation Code 0D)
  69. Initialize SCSI Subsystem (Operation Code 10)
  70. Read Adapter Channel 2 Buffer (Operation Code 1B)
  71. Echo Command Data (Operation Code 1F)
  72. Mailbox Out Definition
  73. Mailbox In Definition
  74. Command Block Definition
  75. Scatter/Gather List Definition
  76. Description of Operation
  77. Execution of Target Mode Operations With a Prepared CCB
  78. Execution of Target Mode Operations Without a Prepared CCB
  79. Interrupt Initialization
  80. Introduction
  81. Control Block
  82. Command Word
  83. Flag Word
  84. Data or Scatter/Gather List Pointer
  85. Data or Scatter/Gather List Length
  86. Chain Address
  87. SCSI Command Descriptor Block
  88. Status Word
  89. Host Adapter Status
  90. Residual Byte Count
  91. Additional Status Length
  92. Download Firmware
  93. Initialize SCSI Subsystem
  94. Initiator SCSI Command
  95. No Operation
  96. Read Host Adapter Inquiry Data
  97. Read Sense Information
  98. Run Diagnostic Test
  99. Target SCSI Command
  100. Aborting Control Block Commands
  101. Control Block is Queued for Operation
  102. Asynchronous Event Notification
  103. Host Adapter Selected by Another Initiator
  104. Reset
  105. Reset Host Adapter
  106. Resume
  107. Reset Initiated by the Host Adapter
  108. Operation with the Standard Interface
  109. No Standard Hard Disks Installed
  110. Boot Issues
  111. Interrupt 13h Interface Functionality
  112. BIOS Command Return Codes
  113. Hardware BIOS Commands
  114. Int 15h Functionality
  115. Multiple Adapter Support
  116. AHA-1740A/1742A/1744 Timing Diagram
  117. Internal Connector Pin Assignments
  118. External Connector Pin Assignments
  119. System Register Reference
  120. scsi subsystem data structure
Adaptec AHA-1740A Technical Reference Manual Manual pdf 149 page image
Read Host Adapter Inquiry DataF E D C B A 9 8 7 6 5 4 3 2 1 0 ByteOffset0 Options 0 0 0 0 0 0 0 0 1 0 1 0 00Flag Word 1 020406Destination Pointer of inquiry data 080ALength of inquiry data 0C0EStatus Block Pointer 10121416181A1C1E20222426282A2C2EFields that are empty are reserved and should be set to zero.This command can be used to obtain release information and revision level of thehost adapter’s firmware. It also provides information regarding parameters of thehost adapter.The data pointer field contains the physical memory address (least significant bytefirst) to which the host adapter will store the configuration. The data length field con-tains the maximum number of bytes allocated for the status block. The maximumEISA-to-Fast SCSI Host Adapter Enhanced Mode Firmware Description6-29
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This manual is suitable for:
AHA-1740AAHA-1742AAHA-1744
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